Re: Fordomatic transmission fluid type A or F?
TYPE F fluid was not released until the 1968 model year. It was phased out in the early eighties (except for certain foreign applications and TYPE F specific steering fluid).
TYPE A is replaced by DEXRON III. MERCON (FORD) has been superseded by the fully synthetic MERCON V although the non-synthetic MERCON is still available from outside refiners.
Rule of thumb;
TYPE F can be generally used in DEXRON call outs but not the reverse. TYPE F will also give firmer shifts.
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